Home / 1,007,489.06-1,511,433.02-287,836.89

Finding the Fourth Proportional to 1,007,489.06, 1,511,433.02 and 287,836.89

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Solution

The fourth proportional to 1,007,489.06, 1,511,433.02 and 287,836.89 is: 431,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,489.06 : 1,511,433.02 = 287,836.89 : x
  2. Step 2: Convert to fraction form
    1,007,489.06/1,511,433.02 = 287,836.89/x
  3. Step 3: Cross multiply
    1,007,489.06x = 1,511,433.02 × 287,836.89
  4. Step 4: Simplify right side
    1,007,489.06x = 435,046,180,639.70
  5. Step 5: Solve for x
    x = 435,046,180,639.70/1,007,489.06
  6. Step 6: Final answer
    x = 431,812.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.